Nicholas and Helena Roerich: The Spiritual Journey of Two Great Artists and PeacemakersEbookNicholas and Helena Roerich: The Spiritual Journey of Two Great Artists and PeacemakersbyRuth A. DrayerRating: 0 out of 5 stars0 ratingsSave Nicholas and Helena Roerich: The Spiritual Journey of Two Great Artists and Peacemakers for later